/*
 * Copyright (c) 2011 Salzburg Research.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package at.newmedialab.skwrl.model;

import at.newmedialab.skwrl.api.SKWRLBackend;

/**
 * Add file description here!
 * <p/>
 * User: sschaffe
 */
public abstract class Field<Node> implements SKWRLConstruct<Node>{

    private Long id;


    public Field() {
    }


    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }


    public abstract boolean isResourceField();

    public abstract boolean isLiteralField();

    public abstract boolean isVariableField();

    public abstract String toSKWRLString(SKWRLBackend<?,Node> backend);
}
